Home / 103,215.12-154,891.68-37,551.12

Finding the Fourth Proportional to 103,215.12, 154,891.68 and 37,551.12

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Solution

The fourth proportional to 103,215.12, 154,891.68 and 37,551.12 is: 56,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,215.12 : 154,891.68 = 37,551.12 : x
  2. Step 2: Convert to fraction form
    103,215.12/154,891.68 = 37,551.12/x
  3. Step 3: Cross multiply
    103,215.12x = 154,891.68 × 37,551.12
  4. Step 4: Simplify right side
    103,215.12x = 5,816,356,062.68
  5. Step 5: Solve for x
    x = 5,816,356,062.68/103,215.12
  6. Step 6: Final answer
    x = 56,351.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.